Hi-tech luxury: The residential spaces come complete with large HDTV panels that simulate windows and respond to a tenant's movements

The residential spaces come complete with Jacuzzis, large HDTV panels that simulate windows, walk-in closets in the bedrooms and deluxe appliances.

‘You can use this and be very comfortable in owning it and in the back of your mind knowing there is a hidden use that if you had to use it for survival capabilities you've got one of the best bunkers on the planet,’ says Hall.

He purchased two more silos in the Concordia, Kansas area with a similar plan in mind.

'If I had to start from scratch it would probably be economically not feasible,' he says. 'But by starting with a nuclear hardened structure that is the more expensive of the two requirements, I could leverage that towards towards my goal.'